FlyBase curator comment: this entry is used to capture phenotypic information when the particular allele (or allele combination) used by the author could not be determined but the context of the experiment suggests that the phenotype being described is some kind of loss of function.
Ultrastructural analysis shows that orbital bristles are gnarled and have irregular striations in mutant males.
Homozygous females lay eggs with abnormal dorsal appendages that fail to hatch.